Home / 3,759.18-5,639.37-1,293.39

Finding the Fourth Proportional to 3,759.18, 5,639.37 and 1,293.39

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Solution

The fourth proportional to 3,759.18, 5,639.37 and 1,293.39 is: 1,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.18 : 5,639.37 = 1,293.39 : x
  2. Step 2: Convert to fraction form
    3,759.18/5,639.37 = 1,293.39/x
  3. Step 3: Cross multiply
    3,759.18x = 5,639.37 × 1,293.39
  4. Step 4: Simplify right side
    3,759.18x = 7,293,904.76
  5. Step 5: Solve for x
    x = 7,293,904.76/3,759.18
  6. Step 6: Final answer
    x = 1,940.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.